Home / 948,708.90-1,423,238.31-300,448.62

Finding the Fourth Proportional to 948,708.90, 1,423,238.31 and 300,448.62

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Solution

The fourth proportional to 948,708.90, 1,423,238.31 and 300,448.62 is: 450,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,708.90 : 1,423,238.31 = 300,448.62 : x
  2. Step 2: Convert to fraction form
    948,708.90/1,423,238.31 = 300,448.62/x
  3. Step 3: Cross multiply
    948,708.90x = 1,423,238.31 × 300,448.62
  4. Step 4: Simplify right side
    948,708.90x = 427,609,986,170.63
  5. Step 5: Solve for x
    x = 427,609,986,170.63/948,708.90
  6. Step 6: Final answer
    x = 450,728.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.